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Subject: Re: AW: AW: Porting Rockbox to XCleff 800 / i.Beat 500

Re: AW: AW: Porting Rockbox to XCleff 800 / i.Beat 500

From: BlueChip <>
Date: Mon, 26 Jul 2004 16:15:18 +0100


I am happy to guide you through the steps you need to take, and IF i have
time, some of the process too. But realise that I don't own one of these
things so my usefulness (an I suppose interest) will be limited beyond a
certain point.

The first thing you need to do is write a program which will initialise all
the chips.
The init process will be in the manual for each chip.
I would suggest starting with something VERY simple - such as flashing an
LED somewhere
this will prove that your code is compiling and working as expected -
THEN start on your chip init code, one chip at a time.

Anything "memory-mapped" will be simpler than something sitting on a bus

If something unexpected occurs, realise that your code did it.
If you don't understand WHY your code did it, stop there and take time to
work out why -
this information is often invaluable later.




When you can draw a dot on the screen, read the keys and access [any] data
from the hdd, you can open up the Rockbox code and start stealing it, one
chunk at a time.

Good luck,


>Hmm - that makes it more difficult than I thought.
>The platform is very nice indeed. Because of that I bought this unit.
>It hat a very nice CPU, 32MB Ram, Software en-/decoding, ...
>I like everything about it except the fact that there is no RockBox on
>it yet. Yet.... *g*
>At the moment I make my path through the Documentation's of all the
>chips =). Maybe I find a way. How did you start with RockBox? What where
>your steps?
>Thank you
> > -----Ursprüngliche Nachricht-----
> > Von:
>[] Im
> > Auftrag von Linus Nielsen Feltzing
> > Gesendet: Montag, 26. Juli 2004 13:31
> > An: Rockbox development
> > Betreff: Re: AW: Porting Rockbox to XCleff 800 / i.Beat 500
> >
> > VooDoo wrote:
> >
> > > Is there anyone else with this player?
> >
> > Not that I know of, and that's probably one of the major issues that
> > makes us reluctant to work on the xclef. It isn't very common.
> >
> > Other than that, it's a really nice platform. The CPU is common and
> > documented, and the encoding/decoding is in software.
> >
> > Linus
> >
> > _______________________________________________
> >

Received on 2004-07-26

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